EP4096386B1 - Outil de découpe - Google Patents

Outil de découpe Download PDF

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Publication number
EP4096386B1
EP4096386B1 EP20811340.7A EP20811340A EP4096386B1 EP 4096386 B1 EP4096386 B1 EP 4096386B1 EP 20811340 A EP20811340 A EP 20811340A EP 4096386 B1 EP4096386 B1 EP 4096386B1
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EP
European Patent Office
Prior art keywords
handle
blade
cable
cutting tool
channel
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
EP20811340.7A
Other languages
German (de)
English (en)
Other versions
EP4096386A1 (fr
Inventor
Peter Rudolf
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Husqvarna AB
Original Assignee
Husqvarna AB
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Husqvarna AB filed Critical Husqvarna AB
Publication of EP4096386A1 publication Critical patent/EP4096386A1/fr
Application granted granted Critical
Publication of EP4096386B1 publication Critical patent/EP4096386B1/fr
Active legal-status Critical Current
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Classifications

    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
    • A01G3/00—Cutting implements specially adapted for horticultural purposes; Delimbing standing trees
    • A01G3/02—Secateurs; Flower or fruit shears

Definitions

  • the present disclosure relates to a cutting tool. More specifically, the present disclosure relates to the cutting tool which provides a compact and ergonomic profile for ease of handling of the cutting tool.
  • Cutting tools such as secateurs, loppers, rakes, pliers are used for performing cutting action using one or more blades. Put simply, such tools provide increased mechanical assistance and ease of operation to a common user to conveniently perform operations such as with branches of varying dimensions. Further, the cutting tools provide benefits such as trapping bypass cutting or simply "bypass" allows pruning/cutting by the cutting tools while holding an object (i.e. branch) with one of the cutting edges.
  • the '912 reference provides a cutting tool.
  • the cutting tool includes a pair of jaws pivoting about a pivot point. Each of the two jaws extent behind this pivot point into arm members that are partially covered by electrically isolating handle members. Wires are arranged with the cutting tool for a heating element attached to the jaws. The power supplied via a power supply cable to heat the jaws runs via the wires placed in a conduit inside one of the arm members into both of the jaws.
  • the '923 reference provides a cutting tool.
  • the cutting tool includes a first and a second cutting blades which can be moved relative to one another.
  • the cutting blades each are associated with handles that house a wire to electrically connect the electric components within the handles, thus to allow a motor driven drive unit to assist the cutting.
  • an extension housing is fixed with the first handle. This extension housing acts as a channel in witch the wire runs between the two handles.
  • At least one of the first handle and the second handle comprises a channel, wherein the cable is at least partially disposed in the channel and wherein at least one of the first blade and the second blade delimits the channel.
  • the cable is a signal transferring cable.
  • the cable may be an electrical signal transferring cable or an optical signal transferring cable.
  • Signal cables shall be undertstood as information or data transferring cables.
  • the cable is an electrical energy transferring cable. It shall be appreciated that there are cables configured to transfer information or data as well as to transfer electrical energy.
  • the first handle comprises at least one grip portion configured to be contact with a user's palm or fingers and a coupling portion configured to be coupled with the second handle and/or with the first blade and/or with the second blade.
  • the channel may extend at least partially within the coupling portion.
  • the channel further may extend at least partially within the coupling portion and at least partially within the grip portion.
  • the cable may be disposed within the channel to be guided to a switch element disposed at or in the grip portion.
  • the channel is formed by at least one, preferably linear, groove, in particular wherein the groove is provided on the coupling portion of the first handle, preferably wherein the groove at least partially extends transversely to a longitudinal extension of the first handle.
  • the cable can be guided from one side of the first handle to the other side in order to enter the second handle. Further, if the cable is guided near the pivot point of the handles, the necessary length of the cable can be reduced, wherein the section of the cable that must be provided to follow the pivot movement of the handles can be small.
  • the first handle comprises a first channel element at least partially forming the channel, wherein the cable passes from the interior of the second handle into the interior of the first handle through the first channel element, in particular wherein the first channel element is provided as a ring element or a tubular element, preferably integrally formed to the first handle.
  • the channel can be formed in a simple way with the handle.
  • the cable may be protected from parts that move pivotally relative to each other and, thus, may be protected against damage by friction or entangling.
  • the first channel element is at least partially, in particular fully, enclosed by the second handle.
  • the interior of the second handle may be provided with a space in which the first channel element may be enclosed and can move during pivotal movement of the first handle relative to the second handle. This may enable movement of the cable without leaving the second handle during movement.
  • the interior of the second handle may be provided with a path of movement of the first channel along which the first channel element can move during pivotal movement of the first handle relative to the second handle, while being fully enclosed during movement.
  • the passage of the cable form first into second handle is provided with a protection against entangling of the cable between the two handles during movement.
  • the channel section provided by the first channel element is arranged in an angle relative to the groove, in particular in an angle between 30° to 70°, preferably in an angle of 45°.
  • a space is provided within the second handle being arranged adjacent to the outlet of the first channel element into the second handle, wherein a section of the cable can move freely during pivotal movement of the first and second handle relative to each other.
  • At least of part of the at least one of the first handle and the second handle is extending in to the other one of the handles.
  • At least a part of the cable is present within a range from the pivot coupling of the first handle and the second handle. This helps in uniform distribution of the cable within the cutting tool.
  • the range is around 10-15 mm from the pivot coupling. This helps in providing a compact and ergonomic profile to the cutting tool.
  • the cable is a sensor cable.
  • the cable transmits a signal that is representative of the force applied by the user and provides it to a drive unit (or any processor) to take the force into account to check if any supplemental force is required.
  • the cable is at least partially disposed in a channel created by coupling of at least one of the first blade and the second blade and at least one of the first handle and the second handle. This protects the cable of damages introduced by external forces.
  • the removable axis bolt and/or screw 106 may be any one or more of a coupling nut, a flange nut, a hex nut, a lock nut, a slotted nut, a square nut, a wheel nut and the like.
  • the cutting tool 100 In closed position of the cutting tool 100, at least a part of the second handle 110 at least partially encloses the back portion 111 of the first handle 108.
  • the first handle 108 and the second handle 110 have one or more sides 115, 117 respectively that come close to each other when closing the cutting tool 100.
  • the cutting tool 100 preferably has a spring 124 which allows coupling of the first handle 108 and the second handle 110.
  • the spring 124 could be further connected through an adapter (not shown) to the first handle 108 and allows transmission of any supplemental force required to allow desired cutting action by the first handle 108 and the second handle 110.
  • the adapter helps to assemble and retain the first blade 102 within the cutting tool 100. The first blade 102 may then be replaced by sliding the first blade 102 out from the adapter.
  • the one or more blades i.e. the first blade 102 and the second blade 104 may be one or more of a clip point blade, a drop point blade, a gut hook blade, a hawkbell blade, a needle point blade, a straight back blade, a sheepsfoot blade and a spear point blade.
  • the one or more blades i.e. the first blade 102 and the second blade 104 may be made of steel or any other material as used or known in the art. Choice of the material for any of the first blade 102 and the second blade 104 will generally depend upon factors such as life, application, weight or other parameters related to the cutting tool 100. However, the present disclosure is not to be limited by the type of material of the first blade 102 and the second blade 104 in any manner.
  • first blade 102 and the second blade 104 may be a fixed blade while the other performs desired cutting action. Alternately or additionally, both the first blade 102 and the second blade 104 may be movable during the cutting action.
  • elastic, rounded design of the one or more sides 115, 117 of both the first handle 108 and the second handle 110 may allow to avoid an undesirable crushing, in particular a pinching of operator's or users hand, between the first handle 108 and the second handle 110, and the like.
  • FIG. 2 illustrates the cutting tool 100 which has a cable 134 disposed within the first handle 108.
  • the present disclosure illustrates the cable 134 disposed within the first handle 108 in some embodiments, however actual implementation of the present disclosure may have the cable 134 disposed in at least one of the first handle 108 and the second handle 110.
  • the cable 134 is at least partially disposed in a groove 136 defined by at least one of the first handle 108 and the second handle 110 such that the cable 134 extends from the first handle 108 to the second handle 110.
  • the first handle 108 is pivotally coupled to the second handle 110 at the pivot point and the cable 134 is fully enclosed by the first handle 108 and the second handle 110.
  • FIG. 2 shows the first handle 108 that is operatively coupled to the first blade 102. At least a part of the cable 134 is present within a range from the pivot coupling of the first handle 108 and the second handle 110.
  • the first blade 102 is located above a channel formed by a groove 150 provided by first handle 108. While with this embodiment the first blade 102 is forming the top of the channel it is well understood that the top of the channel could also be formed by the first handle 108 itself (or even by a separate element) oriented below the first blade 102.
  • the range is around 10-15 mm, or any other range depending upon application needs and the like, from the pivot coupling.
  • the cable 134 is at least partially disposed in a first channel element 138 created by coupling of at least one of the first blade 102 and the second blade 104 and at least one of the first handle 108 and the second handle 110. More specifically, the cable 134 is running through the first channel element 138 between the first handle 108 and the first blade 102 specifically for passing from one handle into the other.
  • the first handle 108 comprises a coupling portion 148 and a grip portion 146.
  • the first channel element 138 and an adjacent groove 150 forms a first channel 138 extending in the coupling portion 148, wherein a second channel element 144 forms a second channel 142 extending inside of the grip portion 146.
  • the cable 134 is disposed within the first and the second channel 136, 142.
  • An opening 152 is provided for coupling the blades 102, 104 and the handles 108, 110.
  • FIG. 3 illustrates the cutting tool 100 which includes a drive unit 130.
  • the drive unit 130 includes a motor 112, a gearbox 114, a wind and a clutch.
  • the drive unit 130 further includes a printed circuit board assembly (PCBA) 118.
  • the drive unit 130 includes a battery 120.
  • the drive unit 130 is operatively coupled to at least one of the first blade 102 and the second blade 104. More specifically, the drive unit 130 is housed within the second handle 110.
  • the battery 120 of the drive unit 130 is also housed within the second handle 110. This helps in reducing the dimensions and special footprint of the first handle 108.
  • the drive unit 130 is configured to selectively provide a supplemental motor force to assist a movement of at least one of the first blade 102 and the second blade 104 to perform the cutting action.
  • all components of the drive unit 130 are housed in a single handle i.e. the second handle 110 as best illustrated in FIG. 3 .
  • the cutting tool 100 includes a switch to activate or deactivate the drive unit 130.
  • this switch is realized in top of the cutting tool 100 as slider or trigger 122.
  • the drive unit 130 gets switched on and off and thus the cutting tool 100 becomes convenient and safe to handle by common users.
  • the drive unit 130 may be deactivated for instances which may require to save/extend battery life or allow uninterrupted operation of the power-assisted cutting tool 100, such as for low battery conditions. In such instances of the deactivated drive unit 130, it could be possible that the motor 112 will remain in a disengaged/OFF state leading to a purely user-based cutting action by the cutting tool 100, without any supplemental motor force.
  • the slider or trigger 122 might also look the cutting tool 100 in a closed status.
  • the slider or trigger 122 may be a button, a knob, a single pole single throw switch, a single pole double throw switch, a double pole single throw switch, a double pole double throw switch, a push-button switch, a toggle switch, a limit switch, a float switch, and the like.
  • a button, a knob, or any other switching means as used or known in the relevant art may be present in place of the slider or trigger 122.
  • boundary lines of both the first handle 108 and the second handle 110 may be parallel to each other. Alternately or additionally, the boundary lines of the one or more of handles i.e. the first handle 108 and the second handle 110 may be non-aligned with respect to each other.
  • the battery 120 may be a primary battery, a secondary battery.
  • the battery 120 may be one or more of a lithium-ion, a nickel cadmium, a nickel-metal hydride, lead-acid.
  • the cable 134 is running between the one or more of blades i.e. the first blade 102 and the second blade 104 and the one or more of handles i.e. the first handle 108 and the second handle 110.
  • the cable 134 is connected to the drive unit 130.
  • the cable 134 may be a sensor cable receiving signals from a force sensor that detects a torque between the one or more blades and the one or more handles, although other types, uses, applications of the cable 134 have been contemplated and are well within the scope of the present disclosure.
  • the force sensor detects the force applied by the user which is further sent to a drive unit 130 to take the force into account.
  • the drive unit 130 may decide the supplemental force required, if any, based on the force applied.
  • the cable 134 may be running through the first handle 108. Some part of the cable 134 is even running through the second handle 110.
  • the cable 134 passes through the first channel element 138 into the second handle 110 inside of which a space 154 is provided wherein the cable 134 may form a loop or a sling. This space 154 may be delimited by the second handle 110 itself and at least partially by a shaft 158 of the second blade 104.
  • FIG. 4 illustrates the first handle 108 together with the cable 134.
  • the first handle 108 has the first channel element 138 that extends into the second handle 110 in an assembled state of the cutting tool 100.
  • the first channel element 138 includes the first channel 136.
  • the cable 134 is running between the first blade 102 and the first handle 108.
  • the first channel element 138 avoids need of additional geometry and/or substantial spacing between the first handle 108 and the second handle 110.
  • the first channel 138 helps in reducing geometry of the front portion 140 as well of the second handle 110 and therefore making it possible to have substantial room for user engagement further into the direction of the pivot point or anywhere else on the first handle 108.
  • the groove 150 may extend transversely relative to a longitudinal axis of the grip portion 146 and close to or adjacent the opening 152 of the coupling portion 148.
  • FIG. 5 illustrates the cutting tool 100, wherein a part of the second handle 110 is removed such that the interior of said handle is visible.
  • the groove 150 and the first channel element 138 extend angularly relative to each other, e.g. in an angle of 45°.
  • a path of movement 160 of the first channel element 138 is shown that is provided inside of the second handle 110 that allows the first channel element 138 to pivotally move within the second handle 110, when both handles 108, 110 are pivotally moved relative to each other. Further, it is shown the arrangement of first channel element 138, groove 150 and path 160 allows the cable to bend without being bent to small radii during movement of the cables.

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  • Life Sciences & Earth Sciences (AREA)
  • Biodiversity & Conservation Biology (AREA)
  • Ecology (AREA)
  • Forests & Forestry (AREA)
  • Environmental Sciences (AREA)
  • Scissors And Nippers (AREA)

Claims (14)

  1. Outil de coupe (100) comprenant :
    une première lame (102) ;
    une seconde lame (104) accouplée de manière pivotante à la première lame (102) au niveau d'un point de pivot, dans lequel la première lame (102) et la seconde lame (104) effectuent ensemble une action de coupe sur un objet placé entre elles ;
    une première poignée (108) accouplée fonctionnellement à la première lame (102) ;
    une seconde poignée (110) accouplée fonctionnellement à la seconde lame (104) ; dans lequel la première poignée (108) est accouplée de manière pivotante à la seconde poignée (110) au niveau du point de pivot ;
    un câble (134) disposé à l'intérieur d'au moins une poignée parmi la première poignée (108) et la seconde poignée (110) ;
    et
    une unité d'entraînement (130) comportant un moteur (112), une boîte de vitesses (114), un enroulement, un embrayage, un ensemble carte de circuit imprimé (PCBA) et une batterie (120), dans lequel l'unité d'entraînement (1130) accouplée fonctionnellement à au moins une lame parmi la première lame (102) et la seconde lame (104) et configurée pour fournir sélectivement une force de moteur supplémentaire pour aider un mouvement d'au moins une lame parmi la première lame (102) et la seconde lame (104) afin de mettre en oeuvre l'action de coupe, dans lequel le câble (134) est relié à l'unité d'entraînement (130),
    caractérisé en ce que :
    le câble (134) est un câble de transfert de signal ou un câble de transfert d'énergie électrique ;
    le câble (134) est entièrement enfermé par la première poignée (108) et la seconde poignée (110), et
    au moins une poignée parmi la première poignée (108) et la seconde poignée (110) comprend un canal (136, 142), dans lequel le câble (134) est au moins partiellement disposé dans le canal (136, 142) et dans lequel au moins une lame parmi la première lame (102) et la seconde lame (104) délimite le canal (136, 142).
  2. Outil de coupe (100) selon la revendication 1, dans lequel le câble (134) est un câble de transfert de signal électrique ou un câble de transfert de signal optique.
  3. Outil de coupe (100) selon l'une quelconque des revendications 1 ou 2, dans lequel la première poignée (108) comprend au moins une partie de préhension (146) conçue pour être en contact avec la paume ou les doigts d'un utilisateur et une partie d'accouplement (148) conçue pour être accouplée à la seconde poignée (110) et/ou à la première lame (102) et/ou à la seconde lame (104), dans lequel le canal (136, 142) s'étend au moins partiellement à l'intérieur de la partie d'accouplement (148), en particulier dans lequel le canal (136, 142) s'étend au moins partiellement à l'intérieur de la partie d'accouplement (148) et au moins partiellement à l'intérieur de la partie de préhension (146), de préférence dans lequel le câble (134) est disposé à l'intérieur du canal (136, 142) pour être guidé vers un élément commutateur disposé au niveau de ou dans la partie de préhension (146).
  4. Outil de coupe (100) selon l'une quelconque des revendications 1 à 3, dans lequel le canal (136, 142) est formé par au moins une rainure (150), de préférence linéaire, en particulier dans lequel la rainure (150) est prévue sur la partie d'accouplement (148) de la première poignée (108), de préférence dans lequel la rainure (150) s'étend au moins partiellement transversalement à une extension longitudinale de la première poignée (108).
  5. Outil de coupe (100) selon l'une quelconque des revendications 1 à 4, dans lequel la première poignée (108) comprend un premier élément de canal (138) formant au moins partiellement le canal (136, 142), dans lequel le câble (134) passe de l'intérieur de la seconde poignée (110) à l'intérieur de la première poignée (108) à travers le premier élément de canal (138), en particulier dans lequel le premier élément de canal (138) est prévu en tant qu'élément annulaire ou élément tubulaire, de préférence formé d'un seul tenant avec la première poignée (108).
  6. Outil de coupe (100) selon la revendication 5, dans lequel le premier élément de canal (138) est au moins partiellement, en particulier complètement, enfermé par la seconde poignée (110), en particulier dans lequel l'intérieur de la seconde poignée (110) est pourvu d'un espace (154) dans lequel le premier élément de canal (138) est enfermé et peut se déplacer pendant un mouvement pivotant de la première poignée (108) par rapport à la seconde poignée (110), en particulier sans sortir de la seconde poignée (110) pendant le mouvement, de préférence dans lequel l'intérieur de la seconde poignée (110) est pourvu d'un trajet (160) de mouvement du premier canal le long duquel le premier élément de canal (138) se déplace pendant un mouvement pivotant de la première poignée (108) par rapport à la seconde poignée (110), tout en étant complètement enfermé pendant le mouvement.
  7. Outil de coupe (100) selon l'une quelconque des revendications 5 ou 6, dans lequel la section de canal fournie par le premier élément de canal (138) est agencée selon un angle par rapport à la rainure (150), en particulier selon un angle compris entre 30° et 70°, de préférence selon un angle de 45°.
  8. Outil de coupe (100) selon l'une quelconque des revendications 1 à 7, dans lequel le câble (134) est disposé dans la première et la seconde poignée (108, 110), dans lequel toutes les flexions du câble (134) à l'intérieur de la première et de la seconde poignée (108, 110) sont courbées avec des angles inférieurs à 90°.
  9. Outil de coupe (100) selon la revendication 8, dans lequel un espace (154) est prévu à l'intérieur de la seconde poignée (110), agencé adjacent à la sortie du premier élément de canal (138) dans la seconde poignée (110), dans lequel une section du câble (134) peut se déplacer librement pendant un mouvement pivotant de la première et de la seconde poignée (108, 110) l'une par rapport à l'autre.
  10. Outil de coupe (100) selon l'une quelconque des revendications 1 à 9, dans lequel au moins une partie de l'au moins une poignée parmi la première poignée (108) et la seconde poignée (110) s'étend dans l'autre poignée des poignées (108, 110).
  11. Outil de coupe (100) selon l'une quelconque des revendications 1 à 10, dans lequel au moins une partie du câble (134) est présente au sein d'une plage à partir de l'accouplement de pivot de la première poignée (108) et de la seconde poignée (110).
  12. Outil de coupe (100) selon la revendication 11, dans lequel la plage est d'environ 10 à 15 mm à partir de l'accouplement de pivot.
  13. Outil de coupe (100) selon l'une quelconque des revendications 1 à 12, dans lequel le câble (134) est un câble de signal de capteur (134).
  14. Outil de coupe (100) selon la revendication 1, dans lequel le canal (136) est créé par accouplement d'au moins une lame parmi la première lame (102) et la seconde lame (104) et d'au moins une poignée parmi la première poignée (108) et la seconde poignée (110).
EP20811340.7A 2020-01-29 2020-11-26 Outil de découpe Active EP4096386B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP20154317.0A EP3858133A1 (fr) 2020-01-29 2020-01-29 Outil de découpe
PCT/EP2020/083464 WO2021151549A1 (fr) 2020-01-29 2020-11-26 Outil de coupe

Publications (2)

Publication Number Publication Date
EP4096386A1 EP4096386A1 (fr) 2022-12-07
EP4096386B1 true EP4096386B1 (fr) 2024-01-10

Family

ID=69400411

Family Applications (2)

Application Number Title Priority Date Filing Date
EP20154317.0A Withdrawn EP3858133A1 (fr) 2020-01-29 2020-01-29 Outil de découpe
EP20811340.7A Active EP4096386B1 (fr) 2020-01-29 2020-11-26 Outil de découpe

Family Applications Before (1)

Application Number Title Priority Date Filing Date
EP20154317.0A Withdrawn EP3858133A1 (fr) 2020-01-29 2020-01-29 Outil de découpe

Country Status (3)

Country Link
EP (2) EP3858133A1 (fr)
CN (1) CN115023133B (fr)
WO (1) WO2021151549A1 (fr)

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1814821A (en) * 1930-07-28 1931-07-14 Laurance H Botts Shears
DE2162357A1 (de) * 1971-12-16 1973-06-20 Fichtel & Sachs Ag Schalter, vorzugsweise fuer gangschaltung oder bremsen zur befestigung an rohrteilen von zweiradfahrzeugen
GB8415418D0 (en) * 1984-06-16 1984-07-18 Wilkinson Sword Ltd Spring-biased hand tool
JPH0914003A (ja) * 1995-06-23 1997-01-14 Kioritz Corp ハンドレバー装置
US6061912A (en) 1997-10-30 2000-05-16 Gazaway; Eileen L. Instrument for cutting multi-strand plastic fiber materials
CN101107913B (zh) * 2006-08-02 2011-08-17 陈仁夫 一种树枝剪
DE202009006064U1 (de) * 2009-04-27 2009-07-02 Chen, Chi-Tung, Changhua City Gartenschere
EP3267783B1 (fr) * 2015-03-11 2018-10-24 Husqvarna AB Dispositif de coupe actionné manuellement
DE102016211976A1 (de) * 2016-06-30 2018-01-04 Robert Bosch Gmbh Schneidvorrichtung
DE102016211975A1 (de) 2016-06-30 2018-01-04 Robert Bosch Gmbh Schneidvorrichtung

Also Published As

Publication number Publication date
WO2021151549A1 (fr) 2021-08-05
CN115023133B (zh) 2023-06-27
CN115023133A (zh) 2022-09-06
EP3858133A1 (fr) 2021-08-04
EP4096386A1 (fr) 2022-12-07

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